Journal ArticleDOI
Determination of organic compounds in water using dispersive liquid-liquid microextraction
Mohammad Rezaee,Yaghoub Assadi,Mohammad Reza Milani Hosseini,Elham Aghaee,Fardin Ahmadi,Sana Berijani +5 more
TLDR
The ability of DLLME technique in the extraction of other organic compounds such as organochlorine pesticides, organophosphorus pesticides and substituted benzene compounds were studied.About:
This article is published in Journal of Chromatography A.The article was published on 2006-05-26. It has received 2959 citations till now. The article focuses on the topics: Extraction (chemistry) & Aqueous two-phase system.read more
Citations
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Journal ArticleDOI
Determination of sulfonamides in swine muscle after salting-out assisted liquid extraction with acetonitrile coupled with back-extraction by a water/acetonitrile/dichloromethane ternary component system prior to high-performance liquid chromatography
Wen-Hsien Tsai,Tzou-Chi Huang,Ho-Hsien Chen,Yuh-Wern Wu,Joh-Jong Huang,Hung-Yi Chuang,Hung-Yi Chuang +6 more
TL;DR: A salting-out assisted liquid extraction coupled with back-extraction by a water/acetonitrile/dichloromethane ternary component system combined with high-performance liquid chromatography with diode-array detection (HPLC-DAD) was developed for the extraction and determination of sulfonamides in solid tissue samples.
Journal ArticleDOI
Simultaneous determination of seven preservatives in cosmetics by dispersive liquid–liquid microextraction coupled with high performance capillary electrophoresis
TL;DR: In this article, a dispersive liquid-liquid microextraction (DLLME) coupled with high performance capillary electrophoresis (HPCE) was developed for the extraction and determination of methylparaben (MP), ethylparabens (EP), propylparabaen (PP), butylparaboens (BP), sorbic acid (SOA), benzoic acid(BA), and salicylic acid (SA) in cosmetic products.
Journal ArticleDOI
Determination of preservatives by integrative coupling method of headspace liquid-phase microextraction and capillary zone electrophoresis.
TL;DR: The integrative coupling method of HS-LPME and CZE was simple, convenient, reliable and suitable for concentrating volatile and semi-volatile organic acids and eliminating matrix interferences of real samples.
Journal ArticleDOI
An ionic liquid-based nanofluid of titanium dioxide nanoparticles for effervescence-assisted dispersive liquid-liquid extraction for acaricide detection.
TL;DR: A simple and practical ionic liquid-based TiO2 nanofluid, effervescence-assisted, dispersive liquid-liquid microextraction (EA-DLLME) method to detect acaricides in honey and tea by high-performance liquid chromatography (HPLC-DAD).
Journal ArticleDOI
Pesticide analysis in coffee leaves using a quick, easy, cheap, effective, rugged and safe approach and liquid chromatography tandem mass spectrometry: Optimization of the clean-up step
Maria Teresa Salles Trevisan,Robert W. Owen,Pau Calatayud-Vernich,Andrea Breuer,Yolanda Picó +4 more
TL;DR: An analytical method using a quick, easy, cheap, effective, rugged and safe (QuEChERS) procedure for multi-residue determination of 52 pesticides in coffee leaf extractshas been developed and validated according to SANTE/11945/2015 guidelines.
References
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Journal ArticleDOI
Solid phase microextraction with thermal desorption using fused silica optical fibers
Journal ArticleDOI
Solvent microextraction into a single drop.
TL;DR: An analytical technique is described which combines solvent extraction with gas chromatographic (GC) analysis in a simple and inexpensive apparatus involving very little solvent consumption and is in good agreement with a convective-diffusive kinetic model.
Journal ArticleDOI
Analytical chemistry in a drop. Solvent extraction in a microdrop.
Hanghui Liu,Purnendu K. Dasgupta +1 more
TL;DR: This unique microextraction system is simple and flexible, permits automated backwashing, consumes only microquantities of organic solvents, and is capable of being coupled with other analytical systems.
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Liquid-Phase Microextraction in a Single Drop of Organic Solvent by Using a Conventional Microsyringe
Y. He and,Hian Kee Lee +1 more
TL;DR: In this article, two modes of liquid-phase microextraction (LPME) were developed for capillary gas chromatography, i.e., static and dynamic LPME, which involve the use of very small amounts of organic solvent in a conventional microsyringe.
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Mass Transfer Characteristics of Solvent Extraction into a Single Drop at the Tip of a Syringe Needle
TL;DR: In this article, the authors measured the amount of a sample compound extracted into a 1-μL drop of n-octane suspended in a stirred aqueous solution from the tip of a microsyringe needle.